CVE-2016-7076

HIGH

Description

sudo before version 1.8.18p1 is vulnerable to a bypass in the sudo noexec restriction if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges.

References

http://rhn.redhat.com/errata/RHSA-2016-2872.html

http://www.securityfocus.com/bid/95778

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-7076

https://security.netapp.com/advisory/ntap-20181127-0002/

https://usn.ubuntu.com/3968-1/

https://www.sudo.ws/alerts/noexec_wordexp.html

Details

Source: MITRE

Published: 2018-05-29

Updated: 2019-05-06

Type: CWE-77

Risk Information

CVSS v2.0

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH